"""
5.现有字符串:"1234567890"利用切片获取如下数据
	2 4 6 8 0
	1 3 5 7 9
	0 9 8 7 6
"""
st = "1234567890"
st1 = st[1::2]
st2 = st[0::2]
st3 = st[-1:-6:-1]
st4 = st[-1:4:-1]
st5 = st[9:-6:-1]
st6 = st[9:4:-1]
print(st1)
print(st2)
print(st3)
print(st4)
print(st5)
print(st6)


